package com.leyou.item.service;

import com.leyou.common.exception.LyException;
import com.leyou.item.entity.Item;
import org.springframework.stereotype.Service;

import java.util.Random;

@Service
public class ItemService {

public Item saveItem(Item item){
//    判断价格是否为空
    if(item.getPrice()== null){
        throw new LyException(400,"价格不能为空");
    }
    if (item.getName()== null){
        throw new LyException(400,"名称不能为空");
    }
//    递增生成id，模拟数据库的新增
    int id = new Random().nextInt(100);
    item.setId(id);
//    返回新增之后的对象，回显id
    return item;


}


}
